<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<style>

    body {
        min-width: 1050px;
    }

    .header {
        display: grid;
        grid-template-rows: 1;
        grid-template-columns: repeat(3, 1fr);

        margin-bottom: 20px;
    }

    .header-left {
        /* min-width: 400px; */
        background-color: lightblue;

        display: flex;
        justify-content: space-between;
    }

    .header-mid {
        /* min-width: 400px; */
        background-color: lightcoral;

        display: flex;
        justify-content: center;
    }

    .header-right {
        /* min-width: 400px; */
        background-color: lightgreen;

        display: flex;
        justify-content: space-between;
    }

    .item {
        width: 40px;
        min-width: 40px;
        border: 1px dotted black;
    }

    /*  */

    .article {
        display: grid;
        grid-template-rows: 1;
        grid-template-columns: 200px auto 200px;
        padding: 0 50px;
    }

    .article-left {
        background-color: lightblue;
        display: flex;
        justify-content: space-between;
    }

    .article-mid {
        display: grid;
        grid-template-rows: 2;
        grid-template-columns: repeat(12, auto);
        background-color: lightcoral;
    }

    .article-right {
        display: grid;
        grid-template-rows: 2;
        grid-template-columns: repeat(3, auto);
        background-color: lightgreen;
        justify-content: space-between;
    }

    .img-item,
    .btn-item,
    .text-item {
        border: 1px solid black;
    }
</style>

<body>
    <div class="header">
        <div class="header-left">
            <div class="item">1</div>
            <div class="item">2</div>
            <div class="item">3</div>
            <div class="item">4</div>
        </div>
        <div class="header-mid">
            <div class="item">5</div>
        </div>
        <div class="header-right">
            <div class="item">6</div>
            <div class="item">7</div>
            <div class="item">8</div>
        </div>
    </div>

    <div class="article">
        <div class="article-left">
            <div class="img-item">1</div>
            <div class="img-item">2</div>
            <div class="img-item">3</div>
        </div>
        <div class="article-mid">
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
            <div class="btn-item">选项</div>
        </div>
        <div class="article-right">
            <div class="text-item">文字</div>
            <div class="text-item">文字</div>
            <div class="text-item">文字</div>
            <div class="text-item">文字</div>
            <div class="text-item">文字</div>
        </div>
    </div>
</body>
</html>